From ccec44cc910d1fa94690e0b9f07194be3421cb1a Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Tue, 29 Aug 2017 09:41:25 -0300
Subject: [media] smiapp: Make clock control optional
The clock control is not explicitly controlled by the driver in two cases:
ACPI based systems and when the clock is part of the power sequence of the
camera module.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
drivers/media/i2c/smiapp/smiapp-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'drivers/media/i2c')
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 009b5e26204b..fbd851be51d2 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2892,7 +2892,10 @@ static int smiapp_probe(struct i2c_client *client,
}
sensor->ext_clk = devm_clk_get(&client->dev, NULL);
- if (IS_ERR(sensor->ext_clk)) {
+ if (PTR_ERR(sensor->ext_clk) == -ENOENT) {
+ dev_info(&client->dev, "no clock defined, continuing...\n");
+ sensor->ext_clk = NULL;
+ } else if (IS_ERR(sensor->ext_clk)) {
dev_err(&client->dev, "could not get clock (%ld)\n",
PTR_ERR(sensor->ext_clk));
return -EPROBE_DEFER;
--
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